classic motorcycle forum

Motorcycle Discussions => British Bikes => Topic started by: ramwing7 on February 19, 2026, 05:47:49 PM

Title: BSA b31 Dynamo
Post by: ramwing7 on February 19, 2026, 05:47:49 PM
I recently came to own a 1949 BSA B31 without a hint of a wiring harness.  The magneto throws a hot spark, so I'd like to see if it will start up.
Question is will I damage the dynamo by running it under no load?
Thanks.